Java BufferedWriter write()方法

java.io.BufferedWriter.write(String str) 用于写入字符串的一部分。

1 语法

public void write(String str)

2 参数

str：要写入的字符串。

3 返回值

无

4 示例 

package com.yiidian;

/**
 * 一点教程网： http://www.yiidian.com
 */
/**
 * java.io.BufferedWriter.write(String str) 方法的例子
 */
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.StringWriter;

public class Demo {

    public static void main(String[] args) throws IOException {
        StringWriter sw = null;
        BufferedWriter bw = null;

        String str = "Hello World!";

        try {

            // create string writer
            sw = new StringWriter();

            //create buffered writer
            bw = new BufferedWriter(sw);

            // writing string to writer
            bw.write(str);

            // forces out the characters to string writer
            bw.flush();

            // string buffer is created
            StringBuffer sb = sw.getBuffer();

            //prints the string
            System.out.println(sb);

        } catch(IOException e) {

            // if I/O error occurs
            e.printStackTrace();
        } finally {

            // releases any system resources associated with the stream
            if(sw!=null)
                sw.close();
            if(bw!=null)
                bw.close();
        }
    }
}

输出结果为：

Hello World!